/*
 * Big Red public-surface foundation.
 *
 * This file is intentionally inert until a cutover slice links it. Keep all
 * selectors under .br-surface so the home/search, service, and profile
 * renderers can adopt the same visual system without changing their owners.
 */

@layer bigred-foundation {
  .br-surface {
    color-scheme: light;
    --br-color-canvas: #f4f5f6;
    --br-color-canvas-raised: #e9ecef;
    --br-color-surface: #ffffff;
    --br-color-ink: #17181a;
    --br-color-ink-soft: #41464b;
    --br-color-muted: #686e74;
    --br-color-muted-light: #969da4;
    --br-color-line: #dce0e4;
    --br-color-line-strong: #c8cdd2;
    --br-color-red: #d81e2c;
    --br-color-red-deep: #7a0a14;
    --br-color-green: #2f6b3d;
    --br-color-green-soft: #edf6ef;
    --br-color-whatsapp: #168447;
    --br-color-whatsapp-hover: #126f3a;
    --br-color-warning: #9b6415;
    --br-color-warning-soft: #fff8e9;
    --br-font-sans: "Geist", "Sohne", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
    --br-font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
    --br-space-1: 4px;
    --br-space-2: 8px;
    --br-space-3: 12px;
    --br-space-4: 16px;
    --br-space-5: 20px;
    --br-space-6: 24px;
    --br-space-8: 32px;
    --br-space-10: 40px;
    --br-space-12: 48px;
    --br-radius-control: 6px;
    --br-radius-panel: 8px;
    --br-radius-pill: 999px;
    --br-shadow-card: 0 1px 0 rgb(0 0 0 / 2%), 0 8px 24px -16px rgb(20 16 12 / 22%);
    --br-shadow-focus: 0 0 0 3px rgb(216 30 44 / 18%);
    --br-content-max: 1200px;
    --br-reading-max: 720px;
    min-height: 100dvh;
    margin: 0;
    background: var(--br-color-canvas);
    color: var(--br-color-ink);
    font-family: var(--br-font-sans);
    font-feature-settings: "ss01", "ss02", "cv11";
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  .br-surface *,
  .br-surface *::before,
  .br-surface *::after {
    box-sizing: border-box;
  }

  .br-surface :where(button, input, select, textarea) {
    font: inherit;
  }

  .br-surface :where(a) {
    color: inherit;
  }

  .br-surface :where(button, a, input, select, textarea):focus-visible {
    outline: 2px solid var(--br-color-red);
    outline-offset: 2px;
  }

  .br-shell {
    width: min(var(--br-content-max), calc(100% - 48px));
    margin-inline: auto;
  }

  .br-reading-width {
    width: min(100%, var(--br-reading-max));
  }

  .br-header {
    position: sticky;
    top: 0;
    z-index: 30;
    border-bottom: 1px solid var(--br-color-line);
    background: color-mix(in srgb, var(--br-color-canvas) 92%, transparent);
    backdrop-filter: saturate(140%) blur(10px);
    -webkit-backdrop-filter: saturate(140%) blur(10px);
  }

  .br-header__inner {
    display: flex;
    min-height: 64px;
    align-items: center;
    justify-content: space-between;
    gap: var(--br-space-6);
  }

  .br-wordmark {
    display: inline-flex;
    align-items: center;
    gap: var(--br-space-2);
    color: var(--br-color-ink);
    font-family: var(--br-font-mono);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0;
    text-decoration: none;
  }

  .br-wordmark__mark {
    width: 10px;
    height: 10px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--br-color-red);
    box-shadow: inset 0 1px 2px rgb(255 255 255 / 42%), 0 0 0 1px rgb(122 10 20 / 30%);
  }

  .br-kicker,
  .br-meta {
    margin: 0;
    color: var(--br-color-muted);
    font-family: var(--br-font-mono);
    font-size: 11px;
    letter-spacing: 0;
    line-height: 1.4;
    text-transform: uppercase;
  }

  .br-heading {
    margin: 0;
    color: var(--br-color-ink);
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.12;
    text-wrap: balance;
  }

  .br-heading--compact {
    font-size: 22px;
    line-height: 1.2;
  }

  .br-copy {
    margin: 0;
    color: var(--br-color-muted);
    font-size: 15px;
    line-height: 1.6;
    text-wrap: pretty;
  }

  .br-panel,
  .br-provider,
  .br-composer,
  .br-state {
    border: 1px solid var(--br-color-line);
    border-radius: var(--br-radius-panel);
    background: var(--br-color-surface);
    box-shadow: var(--br-shadow-card);
  }

  .br-panel {
    padding: var(--br-space-6);
  }

  .br-stack {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: var(--br-space-4);
  }

  .br-cluster {
    display: flex;
    min-width: 0;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--br-space-3);
  }

  .br-rule {
    height: 1px;
    border: 0;
    margin: 0;
    background: var(--br-color-line);
  }

  .br-field {
    display: grid;
    min-width: 0;
    gap: var(--br-space-2);
  }

  .br-field__label {
    color: var(--br-color-muted);
    font-family: var(--br-font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: uppercase;
  }

  .br-input,
  .br-textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid var(--br-color-line-strong);
    border-radius: var(--br-radius-control);
    outline: 0;
    background: var(--br-color-surface);
    color: var(--br-color-ink);
  }

  .br-input {
    min-height: 46px;
    padding: 10px 12px;
  }

  .br-textarea {
    min-height: 112px;
    resize: vertical;
    padding: 12px;
    line-height: 1.5;
  }

  .br-input::placeholder,
  .br-textarea::placeholder {
    color: var(--br-color-muted-light);
    opacity: 1;
  }

  .br-button,
  .br-icon-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: var(--br-space-2);
    border: 1px solid var(--br-color-line-strong);
    border-radius: var(--br-radius-control);
    background: var(--br-color-surface);
    color: var(--br-color-ink);
    font-weight: 600;
    text-decoration: none;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .12s ease;
  }

  .br-button {
    padding: 10px 14px;
    font-size: 13px;
  }

  .br-icon-button {
    width: 44px;
    flex: 0 0 44px;
    padding: 0;
  }

  .br-button:hover,
  .br-icon-button:hover {
    border-color: var(--br-color-ink-soft);
    background: var(--br-color-canvas-raised);
  }

  .br-button:active,
  .br-icon-button:active {
    transform: scale(.98);
  }

  .br-button:disabled,
  .br-icon-button:disabled {
    cursor: not-allowed;
    opacity: .5;
  }

  .br-button--primary {
    border-color: var(--br-color-ink);
    background: var(--br-color-ink);
    color: var(--br-color-surface);
  }

  .br-button--primary:hover {
    border-color: var(--br-color-ink-soft);
    background: var(--br-color-ink-soft);
  }

  .br-button--whatsapp {
    border-color: var(--br-color-whatsapp);
    background: var(--br-color-whatsapp);
    color: #fff;
  }

  .br-button--whatsapp:hover {
    border-color: var(--br-color-whatsapp-hover);
    background: var(--br-color-whatsapp-hover);
  }

  .br-trigger {
    position: relative;
    display: grid;
    width: 184px;
    height: 184px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background:
      radial-gradient(ellipse 66% 38% at 50% 18%, rgb(255 255 255 / 48%) 0%, transparent 68%),
      radial-gradient(circle at 50% 38%, #f09399 0%, var(--br-color-red) 46%, #ad1120 80%, var(--br-color-red-deep) 100%);
    box-shadow:
      inset 0 2px 0 rgb(255 255 255 / 48%),
      inset 0 -10px 22px -10px #2d0306,
      0 0 0 7px #1a0608,
      0 22px 38px -12px rgb(216 30 44 / 58%),
      0 34px 58px -24px rgb(0 0 0 / 42%);
    color: #fff;
    font-family: var(--br-font-mono);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.2;
    text-align: center;
    text-transform: uppercase;
    transition: filter .18s ease, transform .12s ease;
  }

  .br-trigger:hover {
    filter: brightness(1.06) saturate(1.06);
  }

  .br-trigger:active {
    transform: translateY(3px) scale(.985);
  }

  .br-trigger:disabled {
    cursor: not-allowed;
    filter: saturate(.72) brightness(.9);
    opacity: .76;
  }

  .br-status {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: 6px;
    border: 1px solid var(--br-color-line-strong);
    border-radius: var(--br-radius-pill);
    padding: 4px 8px;
    background: var(--br-color-canvas);
    color: var(--br-color-muted);
    font-family: var(--br-font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0;
    line-height: 1.2;
    text-transform: uppercase;
  }

  .br-status--verified {
    border-color: rgb(47 107 61 / 28%);
    background: var(--br-color-green-soft);
    color: var(--br-color-green);
  }

  .br-status--warning {
    border-color: rgb(155 100 21 / 26%);
    background: var(--br-color-warning-soft);
    color: var(--br-color-warning);
  }

  .br-provider {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) minmax(152px, auto);
    gap: var(--br-space-4);
    align-items: start;
    padding: var(--br-space-5);
  }

  .br-provider__avatar {
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--br-color-line);
    border-radius: 50%;
    background: var(--br-color-canvas-raised);
    color: var(--br-color-ink);
    font-family: var(--br-font-mono);
    font-size: 16px;
    font-weight: 700;
  }

  .br-provider__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .br-provider__body {
    display: grid;
    min-width: 0;
    gap: 7px;
  }

  .br-provider__name {
    overflow-wrap: anywhere;
    color: var(--br-color-ink);
    font-size: 18px;
    font-weight: 650;
    letter-spacing: 0;
    line-height: 1.25;
  }

  .br-provider__detail {
    color: var(--br-color-muted);
    font-size: 13px;
    line-height: 1.45;
  }

  .br-provider__actions {
    display: flex;
    min-width: 152px;
    flex-direction: column;
    gap: var(--br-space-2);
  }

  .br-composer {
    overflow: hidden;
  }

  .br-composer__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--br-space-4);
    padding: var(--br-space-4) var(--br-space-5) var(--br-space-3);
  }

  .br-composer__body {
    display: grid;
    gap: var(--br-space-3);
    padding: 0 var(--br-space-5) var(--br-space-5);
  }

  .br-state {
    display: grid;
    min-height: 260px;
    place-items: center;
    padding: var(--br-space-10);
    text-align: center;
  }

  .br-state__content {
    display: grid;
    width: min(100%, 520px);
    gap: var(--br-space-3);
    justify-items: center;
  }

  .br-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
  }

  @media (max-width: 720px) {
    .br-shell {
      width: min(100% - 28px, 640px);
    }

    .br-header__inner {
      min-height: 58px;
    }

    .br-heading {
      font-size: 28px;
    }

    .br-provider {
      grid-template-columns: 48px minmax(0, 1fr);
      padding: var(--br-space-4);
    }

    .br-provider__avatar {
      width: 48px;
      height: 48px;
    }

    .br-provider__actions {
      grid-column: 1 / -1;
      min-width: 0;
    }

    .br-trigger {
      width: 164px;
      height: 164px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .br-surface *,
    .br-surface *::before,
    .br-surface *::after {
      scroll-behavior: auto !important;
      transition-duration: .01ms !important;
    }
  }

  @media (forced-colors: active) {
    .br-trigger,
    .br-button--primary,
    .br-button--whatsapp {
      border: 1px solid ButtonText;
    }
  }
}